SymbolTableImpl: When a symbol is removed from the symboltable the alias of this symbol has to be removed as well
fixed a bug in the new symbol table in getIdentifierAlias
Update submodule common
Add test for expected exception in backend
Add exception handling to backend
build file target run accepts source file name
Merge branch 'master' into backend

Conflicts:
	code/backend/src/swp_compiler_ss13/fuc/backend/LLVMBackend.java
added support for visualization into the controller
fixed newLine-bug
Merge branch 'master' of https://github.com/swp-uebersetzerbau-ss13/fuc
Add handling of baseFileName parameter to backend

Also updates the submodule to newest version which includes the updated
generateTargetCode(String baseFileName, List<Quadruple> tac) method.
Add BackendException and baseFileName parameter to controller

Minimal implementation of the changes in the backend so that the controller does
not break. Needs revision by the controller developers.
Merge backend into master

Merge the backend with the new baseFileName parameter and the new BackendException
into the master branch.
Merge remote-tracking branch 'remotes/origin/master' into parser

Conflicts:
	code/common
Finally remove code/common